Biology for IGCSE & O level - Organisms And Their Environment (Section 1 - No. 45)
What is a pyramid of numbers used to show?
The biomass of each trophic level
The number of organisms at each trophic level
The flow of energy through a food web
The type of nutrients in a food chain
Explanation
Pyramids of numbers show how many individuals of each organism live at each trophic level in a food chain.
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